.px2rem(@name,@px){
    @{name}:@px/37.5*1rem
}
.body{
    background-image: url(../images/shouye/background.png);
    background-size: 100%;
    background-repeat: no-repeat;
    .px2rem(padding-left,40);
}
.head{
    display: flex;
    align-items: center;
     .px2rem(height,70);
    img{
        .px2rem(width,51);
        .px2rem(height,51);
    }
    p{
        .px2rem(font-size,15);
        color: white;
        .px2rem(padding-left,10);
    }
}
.nav{
    display: flex;
    flex-wrap: wrap;
    div{
        width: 50%;
        .px2rem(margin-top,14);
//      
        img{
            .px2rem(width,127);
            .px2rem(height,117);
        }
    }
}

